======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '441'
                                          'artist'  'Propellerheads'
                                     'text_people'  ''
                                         'release'  'DECKSANDRUMSANDROCKANDROLL'
                                           'title'  'Take California'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'dance', 'electronic', 'big beat']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '95.6'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'DECKSANDRUMSANDROCKANDROLL'
'TBPM' (BPM (beats per minute))                     '95.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Take California'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Propellerheads'
'TRCK' (Track number/Position in set)               '1'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '000,190'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'dance', 'electronic', 'big beat']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.457492'

========================== row from database ==========================
                                              'id'  1287337
                                            'path'  /data/Music/Bulk/00poprockelectronic/Propellerheads/MBZ;#Propellerheads;#DECKSANDRUMSANDROCKANDROLL;#01;#Take California.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  441
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  10625602
                                           'mtime'  1621696532
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Propellerheads;#DECKSANDRUMSANDROCKANDROLL;#01;#Take electronic generic radio bigbeat
                                      'tag_artist'  Propellerheads
                                     'tag_release'  DECKSANDRUMSANDROCKANDROLL
                                       'tag_title'  Take California
                                             'bpm'  95.6
                                    'search_title'  'california':2 'take':1
                                   'search_artist'  'propellerheads':1
                                  'search_release'  'decksandrumsandrockandroll':1
                                     'search_rest'  '00poprockelectronic':1 '01':5,10 'bigbeat':15 'decksandrumsandrockandroll':4,9 'electronic':12 'generic':13 'mbz':2,7 'propellerheads':3,8 'radio':14 'take':6,11
                                    'search_combo'  '00poprockelectronic':5 '01':9,14 'bigbeat':19 'california':2A 'decksandrumsandrockandroll':4C,8,13 'electronic':16 'generic':17 'mbz':6,11 'propellerheads':3B,7,12 'radio':18 'take':1A,10,15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'dance', 'electronic', 'big beat']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696531.5506058  (2021-05-22 17:15:31)
                             'size'  10625602